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PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n4slideshare.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:10647239
rdf:type
prov:Entity
prov:value
Hard, brittle and transparent material No definite melting point but soften gradually when heated and resistant to chemicals It is composed mainly of sand (silicates, SiO 2 ) and an alkali.
prov:wasQuotedFrom
n4:net
Subject Item
isap:104506206
prov:wasDerivedFrom
isa:10647239